plethysmogram
/pləˈθɪzməˌɡræm/
noun
- A record or graph produced by a plethysmograph, showing changes in the size or volume of a body part, often used to measure blood flow or breathing.
- The doctor examined the plethysmogram to check for blockages in the patient's arteries.
- A plethysmogram can help diagnose conditions like deep vein thrombosis by showing changes in limb volume.
- The sleep study used a plethysmogram to monitor the patient's chest movements during the night.